<template>
  <div class="app-container">
    <el-form v-show="showSearch" ref="queryForm" :model="queryParams" size="small" :inline="true" label-width="68px">
      <el-form-item label="分类名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入分类名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="是否显示" prop="visible">
        <el-select v-model="queryParams.visible" placeholder="请选择是否显示" clearable>
          <el-option
            v-for="dict in dict.type.common_visible"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['blogs:direction:add']"
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['blogs:direction:edit']"
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['blogs:direction:remove']"
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['blogs:direction:export']"
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
        >导出</el-button>
      </el-col>
      <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table v-loading="loading" :data="directionList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="分类id" align="center" prop="id" />
      <el-table-column label="分类名称" align="center" prop="name" />
      <el-table-column label="是否显示" align="center" prop="visible">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.common_visible" :value="scope.row.visible" />
        </template>
      </el-table-column>
      <el-table-column label="排序" align="center" prop="sort" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            v-hasPermi="['blogs:direction:edit']"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            v-hasPermi="['blogs:direction:remove']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改方向对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="680px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入分类名称" />
        </el-form-item>
        <el-form-item label="是否显示">
          <el-radio-group v-model="form.visible">
            <el-radio
              v-for="dict in dict.type.common_visible"
              :key="dict.value"
              :label="parseInt(dict.value)"
            >{{ dict.label }}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort" controls-position="right" :min="0" />
        </el-form-item>
        <el-divider content-position="center">分类信息</el-divider>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddBsGroup">添加</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteBsGroup">删除</el-button>
          </el-col>
        </el-row>
        <el-table ref="bsGroup" :data="bsGroupList" :row-class-name="rowBsGroupIndex" @selection-change="handleBsGroupSelectionChange">
          <el-table-column type="selection" width="50" align="center" />
          <el-table-column label="序号" align="center" prop="index" width="50" />
          <el-table-column label="分类名称" prop="name" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.name" placeholder="请输入分类名称" />
            </template>
          </el-table-column>
          <el-table-column label="是否显示" prop="visible" width="150">
            <template slot-scope="scope">
              <el-select v-model="scope.row.visible" placeholder="请选择是否显示">
                <el-option
                  v-for="dict in dict.type.common_visible"
                  :key="dict.value"
                  :label="dict.label"
                  :value="parseInt(dict.value)"
                />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column label="排序" prop="sort">
            <template slot-scope="scope">
              <el-input-number v-model="scope.row.sort" controls-position="right" :min="0" />
            </template>
          </el-table-column>
        </el-table>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDirection, getDirection, delDirection, addDirection, updateDirection } from '@/api/blogs/direction'

export default {
  name: 'Direction',
  dicts: ['common_visible'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 子表选中数据
      checkedBsGroup: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 方向表格数据
      directionList: [],
      // 分类表格数据
      bsGroupList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        visible: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: '分类名称不能为空', trigger: 'blur' }
        ],
        visible: [
          { required: true, message: '是否显示不能为空', trigger: 'blur' }
        ],
        sort: [
          { required: true, message: '排序不能为空', trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询方向列表 */
    getList() {
      this.loading = true
      listDirection(this.queryParams).then(response => {
        this.directionList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        visible: 0,
        sort: null,
        createTime: null,
        updateTime: null
      }
      this.bsGroupList = []
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加方向'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getDirection(id).then(response => {
        this.form = response.data
        this.bsGroupList = response.data.bsGroupList
        this.open = true
        this.title = '修改方向'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          this.form.bsGroupList = this.bsGroupList
          if (this.form.id != null) {
            updateDirection(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addDirection(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除方向编号为"' + ids + '"的数据项？').then(function() {
        return delDirection(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {})
    },
    /** 分类序号 */
    rowBsGroupIndex({ row, rowIndex }) {
      row.index = rowIndex + 1
    },
    /** 分类添加按钮操作 */
    handleAddBsGroup() {
      const obj = {}
      obj.name = ''
      obj.visible = ''
      obj.sort = ''
      this.bsGroupList.push(obj)
    },
    /** 分类删除按钮操作 */
    handleDeleteBsGroup() {
      if (this.checkedBsGroup.length == 0) {
        this.$modal.msgError('请先选择要删除的分类数据')
      } else {
        const bsGroupList = this.bsGroupList
        const checkedBsGroup = this.checkedBsGroup
        this.bsGroupList = bsGroupList.filter(function(item) {
          return checkedBsGroup.indexOf(item.index) == -1
        })
      }
    },
    /** 复选框选中数据 */
    handleBsGroupSelectionChange(selection) {
      this.checkedBsGroup = selection.map(item => item.index)
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('blogs/direction/export', {
        ...this.queryParams
      }, `direction_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
